OPERATION
Settings
6
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4.4 Switching off the appliance
Switching off via software
f
f
Press and hold down the minus button for 5 seconds to
switch off the appliance.
The display shows "OFF".
5s
26
�04
�1
5�
004
8
Interrupting the power supply
26
�0
4�
15
�0
01
0
The display is now blank.
WARNING Electrocution
Before working on the appliance, always isolate the
appliance from the power supply by first switching the
appliance off via the software and then unplugging it
from the mains.
4.5 Standard mode
In standard mode, the display shows up to four different pieces of
information (operating modes and values) simultaneously.
26
�0
4�
15
�0
01
2
1 Indication of the fan stage, indication of connected
appliances
2 Indication of the air flow rate
3 Message text, e.g. filter status text, triggering of external
switching contact, etc.
4 Fault symbol
4.5.1 Fan stage
26
�0
4�
15
�0
01
3
A fan symbol is displayed when the supply air fan and the extract
air fan rotate. The fan symbol is not visible when the fans are at
a standstill.
The number after the fan symbol indicates the fan stage.
Fan stage in-
dicator
Description
The supply air and extract air fans generate an air flow rate
of 50 m³/h or stop. This depends on the setting of parameter
01. This fan stage cannot be enabled with a 3-stage switch.
The supply air and extract air fans rotate according to
stage 1 of the stage switch. The air flow rate depends on the
parameter 02 setting.
The supply air and extract air fans rotate according to
stage 2 of the stage switch. The air flow rate depends on the
parameter 03 setting.
The supply air and extract air fans rotate according to
stage 3 of the stage switch. The air flow rate depends on the
parameter 04 setting.
This appliance has been connected using an eBUS or Open-
Therm coupling. The supply air and extract air fans rotate
according to the fan stage selected at the master appliance.
If the appliance is connected in a cascade, the slave number
of the appliance is displayed.
4.5.2 Indication of the air flow rate
26
�0
4�
15
�0
01
4
The selected air flow rate of the supply air and extract air fans is
displayed.
If the air flow rates of the supply air and extract air fans differ,
e.g. when an external switching contact is used, the highest air
flow rate is always displayed.
When the appliance is switched off via software, the text "OFF"
appears.
4.5.3 Message texts in standard mode
26
�04
�1
5�
004
9
At this point on the display, a message text may appear. The mes-
sage text "FILTER" always takes priority over other message texts.
